LO-9-2320-272-12

TRUCK, 5-TON, 6X6, M939, M939A1 AND M939A2 SERIES (DIESEL)

LUBRICATION ORDER

JUNE 1990
LO-9-2320-272-12

  LO-9-2320-272-12 - Page 1 of 34

LUBRICATION ORDER
ARMY LO 9-2320-272-12
AIR FORCE TO 36A12-1C-441LC-1
JUNE 1990
(Supersedes LO 9-2320-272-12, 11 April 1986)
TRUCK, 5-TON, 6X6, M939, M939A1 AND M939A2 SERIES (DIESEL)
TRUCK, CARGO: 5-TON, 6X6, DROPSIDE,
TRUCK, CARGO: 5-TON, 6X6
TRUCK, CARGO: 5-TON, 6X6, XLWB,
TRUCK, DUMP: 5-TON, 6X6,
TRUCK, TRACTOR: 5-TON, 6X6,
M931 (2320-01-04-8753), M931A1 (2320-01-206-4077), M931A2 (2320-01-230-0302),
TRUCK, VAN, EXPANSIBLE: 5-TON 6X6,
TRUCK, MEDIUM WRECKER: 5-TON, 6X6,
M936 (2320-01-047-854), M936A1 (2320-01-206-4078), M936A2 (2320-01-230-0304)
REFERENCE: TM 9-2320-272-10, TM 9-2320-272-20-1, TM 9-2320-272-20-2 and TM 9-2320-356-24&P
Intervals (on-condition or hard time) and the
related mm-hour times are based on normal
operation. The man-hour time specified is the
time you need to do all the services prescribed
for a particular interval. On-condition (OC) oil
sample intervals shall be applied unless
changed by the army Oil Analysis Program
(AOAP) laboratory. Change the hard time
interval if your lubricants arecontaminated or if
you are operating the equipment under
adverse operating conditions. including longer-
than-usual operating hours. The hard time
interval may be extended during periods of low
level activity. If extended, adequate preser-
vation precautions must be taken. Bard time
intervals will be applied in the event AOAP
laboratory support is not available.
Clean fittings before lubricating. Clean parts
with drycleaning solvent, (SD) type II or equiv-
alent. Dry before lubricating Dotted arrows
indicate required lubrication on both sides of
the equipment.
Level of maintenance. The lowest level of
maintenance authorized to lubricate a point is
indicated by one of the following symbols:
Operator/Crew (C); and Oragnizational Main-
tenance (0).
Relubricate after fording.
REPORTING ERRORS AND RECOMMENDING IMPROVEMENTS
You can help improve this lubrication order. If you find any mistakes or if you know of a way to
improve the procedures, please let us know. Mail your letter or DA Form 2028 (Recommended
Changes to Publications and Blank Forms) direct to; Commander, US Army Tank-Automotive
Command, ATTN: AMSTA-MB, Warren, Michigan 48397-5000. A reply will be furnished to you-
Approved for public release: distribution is unlimited.
LO 9-2320-272-12
CARD 1 OF 33


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